castrating
v.
阉割（动物、人）( castrate的现在分词 );
例句:
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By castrating the dominant males, the herders are able to control and semi-domesticate the whole herd.
来自BBC
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Not if you mean the castrating bitch I dumped last night.
来自WSJ
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Perhaps a tribe or species gains some survival advantage by castrating its subordinate males.
来自SA